CN206190682U - Volume control mechanism and electron device of elastic component and applied this elastic component - Google Patents

Abstract

The utility model provides an elastic component, including the snap ring, two are supported section and two first linkage segments, the snap ring is and has an open -ended ring, two are supported the section and are connected with the open -ended both ends of snap ring through two first linkage segments respectively, the snap ring is located first plane, two are supported period number in the second plane, two first connection period number are in the third plane, the mutual parallel in first plane and second plane, third plane first plane of perpendicular to and second plane, the snap ring, two support sections and two first linkage segments constitute a space frame jointly. The utility model provides an adopt the volume control mechanism and the electron device of this elastic component. The utility model discloses an elastic component adopts the snap ring, support section and the first linkage segment that are located three different planes to constitute the space frame, makes it all possess elasticity in radial and axial.

Description

Elastic component and the volume adjustment mechanism and electronic installation using the elastic component

Technical field

The utility model is related to a kind of elastic component, and using the volume adjustment mechanism and electronic installation of the elastic component.

Background technology

Existing electronic installation, such as hand-held Bo Fang Qi ﹑ audio-visual devices, volume or audio are adjusted using governor motion. The governor motion generally comprises knob and encoder, and the knob is fixed on the housing of electronic installation.In the prior art, typically Using common lamellar body jump ring come fixed knob.Such jump ring can only block knob in radial direction, and knob is when rotating, because in axle To existing, processing work is poor, and knob causes jump ring big with the contact surface friction of rotation axis in the presence of rocking, and long-term use can cause knob The abrasion of axle, jump ring and rotation axis when rotating, after becoming big because of wearing clearance, the situation that jump ring can be caused to come off.

Utility model content

In view of this, it is necessary to which providing one kind can block knob rotating shaft in radial direction, while between also eliminating rotating shaft axial direction The elastic component of gap and the volume adjustment mechanism and electronic installation using the elastic component.

A kind of elastic component, wherein, the elastic component includes a snap ring, two supporting sections and two the first linkage sections, described Snap ring in the annulus with an opening, two supporting sections opening by two first linkage sections and the snap ring respectively The two ends connection of mouth, the snap ring is located in the first plane, and two supporting sections are located in the second plane, two described first Linkage section is located in the 3rd plane, and first plane and second plane are parallel to each other, and the 3rd plane is perpendicular to institute The first plane and the second plane are stated, the snap ring, two supporting sections and two the first linkage sections collectively form a space framework.

Further, two supporting sections are arranged in parallel, and first linkage section is perpendicular to the snap ring and institute State supporting section, the snap ring, two supporting sections and two the first linkage sections collectively form the framework of a cuboid.

Further, the elastic component also includes two the second linkage sections, and each second linkage section is located at described the Between one linkage section and the snap ring, it is used to connect first linkage section and the snap ring.

Further, two second linkage sections are located in first plane, between two second linkage sections Arranged in parallel, two second linkage sections are parallel with the supporting section.

Further, the elastic component also includes two bending sections, and each bending section is located at first linkage section And the snap ring between, it is used to connect first linkage section and the snap ring.

Further, two bending sections are located in first plane, and positioned at the both sides of the snap ring.

Further, the elastic component also includes two the 3rd linkage sections, and each 3rd linkage section is located at described the Between one linkage section and the bending section, it is used to connect first linkage section and the bending section.

Further, two the 3rd linkage sections are located in first plane, between two the 3rd linkage sections It is arranged in parallel, and respectively positioned at the both sides of the snap ring.

Further, the 3rd linkage section is mutually perpendicular to first linkage section, the 3rd linkage section with it is described Supporting section is parallel.

Further, one is additionally provided with each supporting section and supports section, it is described to support section from the second plane direction First planar projection is formed.

A kind of volume adjustment mechanism, is used to adjust the volume or audio of electronic installation, and the volume adjustment mechanism includes rotation Button and encoder, wherein, the volume adjustment mechanism also includes above-mentioned elastic component, and the encoder is contained in the elastic component In, the encoder is connected with one end rotation stop of the knob, and the knob is changing the output signal of the encoder.

A kind of electronic installation, including shell and the surface-mounted integrated circuit that is contained in the shell, the electronic installation is also Including above-mentioned volume adjustment mechanism, the shell is provided with fixing hole, and the knob is rotatably positioned in the fixing hole, The encoder is electrically connected with the surface-mounted integrated circuit.

Compared to prior art, elastic component of the present utility model is using snap ring, the supporting section in three Different Planes Space framework is constituted with the first linkage section, the encoder is contained in the elastic component, by the snap ring and the card The rotating shaft of the knob is diametrically blocked in the cooperation of groove, meanwhile, using first linkage section elastic force in the axial direction, eliminate The rotating shaft, in the gap of axial direction, during the knob, reduces the frictional force that the rotating shaft is subject to the snap ring, So that the knob is more smooth.

Brief description of the drawings

Fig. 1 is the schematic perspective view of electronic installation in embodiments of the present invention.

Fig. 2 is the schematic perspective view of governor motion shown in Fig. 1.

Fig. 3 is the decomposing schematic representation of governor motion shown in Fig. 2.

Fig. 4 is the decomposing schematic representation of another angle of governor motion shown in Fig. 2.

Fig. 5 is the amplification schematic perspective view of the elastic component of governor motion shown in Fig. 3.

Fig. 6 is generalized section of the electronic installation shown in Fig. 1 along line VI -- VI.

Main element symbol description

Volume adjustment mechanism	100
		Knob	10
Swivel head	11
		Top	111
Bottom	112
		First groove	113
Cavity	114
		Second groove	115
Rotating shaft	12
		Free end	121
Draw-in groove	122
		Drive link	13
Braking parts	131
		Connecting portion	132
Sleeve	20
		Stop section	21
Correcting portion	22
		Extension	23
Location hole	24
		Encoder	30
Main body	31
		Shaft hole	311
Upper casing	32
		Jack	321
Supporting plate	33
		Perforation	331
Elastic component	40
		Snap ring	41
Supporting section	42
		Support section	421
First linkage section	43
		Second linkage section	44
Bending section	45
		3rd linkage section	46
First plane	401
		Second plane	402
3rd plane	403
		Electronic installation	200
Shell	210
		Fixing hole	211
Surface-mounted integrated circuit	220

Following specific embodiment will further illustrate the utility model with reference to above-mentioned accompanying drawing.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model implementation method, to the technical scheme in the utility model implementation method It is clearly and completely described, it is clear that described implementation method is only a part of implementation method of the utility model, rather than Whole implementation methods.Based on the implementation method in the utility model, those of ordinary skill in the art are not making creativeness The every other implementation method obtained under the premise of work, belongs to the scope of the utility model protection.

It should be noted that when a component is considered as " connection " another component, it can be directly to separately One component may be simultaneously present component placed in the middle.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with technology of the present utility model is belonged to The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " bag Include the arbitrary and all of combination of one or more related Listed Items.

Fig. 1 is referred to, the volume adjustment mechanism 100 in the utility model implementation method is applied in electronic installation 200, used To adjust the volume or audio of the electronic installation 200.The electronic installation 200 can be MP3, MP4, lossless portable player or Audio amplifier etc..In the present embodiment, the electronic installation 200 is lossless portable player.

The electronic installation 200 includes shell 210 and surface-mounted integrated circuit 220.The surface-mounted integrated circuit 220 is contained in institute State in shell 210.The electronic installation 200 of present embodiment should also include other elements being installed in shell 210, such as decode Device, processor, internal memory etc., to save space, this is no longer going to repeat them.The volume adjustment mechanism 100 is fixed on described outer On shell 210, and electrically connected with the surface-mounted integrated circuit 220, be used to adjust the volume of the electronic installation 200.Specifically, it is described Shell 210 is provided with fixing hole 211, and the volume adjustment mechanism 100 is installed in the fixing hole 211.

Fig. 1 and Fig. 2 is referred to, the volume adjustment mechanism 100 includes knob 10, sleeve 20, encoder 30 and elastic component 40.The knob 10 is rotatably positioned in the fixing hole 211.The encoder 30 passes through the sleeve 20 and the bullet The combination of property part 40 is suspended vacantly in the underface of the knob 10, and coaxial with the knob 10.The knob 10 includes passing Lever 13, the shaft core of the encoder 30 is provided with shaft hole 311, and the drive link 13 is contained in the shaft hole 311, and with The rotation stop of the shaft hole 311 is connected.User changes the output signal of the encoder 30 by rotating the knob 10, so that Change the volume of the electronic installation 200.

Fig. 3 and Fig. 4 is referred to, in the present embodiment, the knob 10 is made into integration using metallic aluminium.The knob 10 Including swivel head 11, rotating shaft 12 and drive link 13.The rotating shaft 12 stretches out to be formed from the bottom centre of the swivel head 11. The drive link 13 further extends to be formed from one end of the rotating shaft 12 along the bearing of trend of the rotating shaft 12.

Specifically, the swivel head 11 includes top 111 and bottom 112.The top 111 and the bottom 112 are mutual Connection, and its junction forms annular first groove 113.In the present embodiment, the top 111 is generally cylindrical.Institute Bottom 112 is stated to stretch out to be formed from the periphery of the one end on the top 111.In the present embodiment, the bottom 112 is substantially In annular.The diameter of the bottom 111 is equal to the external diameter on the top 112.The bottom 112 and the one of the top 113 End face encloses and sets the cylindrical cavity 114 to form one end open jointly.Outer peripheral face of first groove 113 from the swivel head 11 Cave inward to be formed.In the present embodiment, first groove 113 is substantially in annular.

Some second grooves 115 are additionally provided with the outer peripheral face of the swivel head 11.Second groove 115 is from the rotation First 11 outer peripheral face caves inward to be formed.In the present embodiment, second groove 115 is substantially in strip.Described second is recessed Groove 115 is perpendicular to first groove 113.The outer outer peripheral face around the swivel head 11 of some second grooves 115 uniformly divides Cloth, frictional force and lifting sense of touch when rotating the swivel head 11 to increase.

In the present embodiment, the rotating shaft 12 is close to the one of the bottom 112 located at the top 111 of the swivel head 11 The end face center at end.Specifically, the rotating shaft 12 stretches out to be formed from the end face center on the top 111.In this embodiment party In formula, the rotating shaft 12 is generally cylindrical.The rotating shaft 12 is partially housed in the cavity 114.The rotating shaft 12 from Stretched out from the opening of the cavity 114 by end 121.Position on the outer peripheral face of the rotating shaft 12 near free end 121 is provided with ring Shape draw-in groove 122, is used to fix the elastic component 40.The draw-in groove 122 caves inward to be formed from the outer peripheral face of the rotating shaft 12.Institute It is substantially in annular to state draw-in groove 122.

The drive link 13 is coaxial with the rotating shaft 12.In the present embodiment, the drive link 13 is located at the rotating shaft The centre of 12 free end 121.The drive link 13 from the free end 121 of the rotating shaft 12 along the rotating shaft 12 extension Direction further extends to be formed.

The drive link 13 includes braking parts 131 and connecting portion 132.The braking parts 131 are located at oneself of the rotating shaft 12 By end 121.The connecting portion 132 is located between the rotating shaft 12 and the braking parts 131, is used to connect the rotating shaft 12 and institute State braking parts 131.The braking parts 131 are contained in the shaft hole 311 of the encoder 30, and are stopped with the shaft hole 311 Turn connection.In the present embodiment, the substantially positive six prismsby of the braking parts 131.It should be understood that in other embodiment In, the braking parts 131 are alternatively other polygon-prisms in addition to positive six prismsby, as long as its rotating shaft with the encoder 30 Hole 311 is adapted the shaft core that the encoder 30 is connected with rotation stop.In the present embodiment, the connecting portion 132 is substantially in circle Cylinder.Diameter of the diameter of the connecting portion 132 less than the rotating shaft 12.It should be understood that in other embodiments, it is described Connecting portion 132 can also be omitted.

In the present embodiment, the sleeve 20 is made into integration using stainless steel.The sleeve 20 is fixed on the shell In 210 fixing hole 211, as shown in figure 5, to correcting and the rotating shaft 12 of the positioning knob 10.The sleeve 20 includes supporting Stop 21, correcting portion 22 and two extensions 23.The stop section 21 is located at the one end in the correcting portion 22, two extensions The other end of the portion 23 located at the correcting portion 22.

Specifically, the stop section 21 is located at the outside of the shell 210, and supports the outer wall of the shell 210.At this In implementation method, the stop section 21 is substantially in cylinder.The stop section 21 is contained in the cavity 114 of the knob 10. It is to be appreciated that in other embodiments, the stop section 21 can also omit.

The correcting portion 22 to be formed from the extending centrally out for end face of the stop section 21.In the present embodiment, The correcting portion 22 is substantially in cylinder.The diameter in the correcting portion 22 is approximately equal to the fixing hole 211 of the electronic installation 200 Diameter.The correcting portion 22 wears and is fixed in the fixing hole 211 of the electronic installation 200.The correcting portion 22 it is straight Diameter of the footpath less than the stop section 21.

Two extensions 23 are located at the inner side of the shell 210.Each extension 23 is from the correcting portion 22 The edge of end face stretch out to be formed.The medial surface of two extensions 23 is oppositely arranged, to the spacing coding Device 30.Two lateral surfaces of the extension 23 are flushed with the outer peripheral face in the correcting portion 22.

The sleeve 20 is additionally provided with location hole 24.The location hole 24 is located at the center of the sleeve 20, and through described The stop section 21 of sleeve 20 and the correcting portion 22, are used to position the knob 10.In the present embodiment, the location hole 24 In cylinder.Diameter of the diameter of the location hole 24 slightly larger than the rotating shaft 12 of the knob 10.

The encoder 30 includes main body 31, upper casing 32 and supporting plate 33.The main body 31 is fixed on the supporting plate 33.Institute State upper casing 32 to cover in the main body 31, be used to protect the main body 31.The main body 31 passes through winding displacement（It is not shown）With institute The integrated circuit 220 for stating electronic installation 200 is electrically connected.

Specifically, shaft core is provided with the main body 31, the shaft core is provided with the shaft hole 311.The shaft hole 311 Shape is adapted with the braking parts 131 of the drive link 13, is used to house the braking parts 131 of the drive link 13, so that described Drive link 13 drives the shaft core to be rotated relative to the main body 31 when rotating.In the present embodiment, the shaft hole 311 is substantially In regular hexagon.

The position of the correspondence shaft hole 311 is provided with jack 321 on the upper casing 32, to the exposed shaft hole 311. The shape of the jack 321 is adapted with the shape of the connecting portion 132 of the drive link 13, is used to house the drive link 13 Connecting portion 132.In the present embodiment, the jack 3211 is generally circular.

The supporting plate 33 is provided with two perforation 331, is used to wear the elastic component 40.It is to be appreciated that in other implementations In mode, the perforation 331 can be omitted.In other embodiments, the elastic component 40 can be from the side of the supporting plate 33 Its bottom is arranged in, to carry the supporting plate 33.

The elastic component 40 is made into integration.In the present embodiment, the elastic component 40 is curved by strip elastomeric material System is formed.The elastic component 40 includes 41, two supporting sections 42 of snap ring and two the first linkage sections 43.The snap ring 41 is substantially in 2/3 annulus.The snap ring 41 is provided with opening 411.Two supporting sections 42 respectively by two first linkage sections 43 with The two ends connection of the opening 411 of the snap ring 41.

The snap ring 41 is located in the first plane 401.Two supporting sections 42 are located in the second plane 402.Two institutes The first linkage section 43 is stated to be located in the 3rd plane 403.First plane 401 and second plane 402 are parallel to each other.It is described 3rd plane 403 is perpendicular to the plane 402 of first plane 401 and second.41, two supporting sections 42 of the snap ring and two One linkage section 43 collectively forms space framework, and be contained in the encoder 30 wherein by the framework.In the present embodiment, two The supporting section 42 is arranged in parallel, and the elastic component 40 is for substantially in cuboid.

Specifically, the encoder 30 is contained in when in the framework of the elastic component 40, and two supporting sections 42 are located at The underface of the supporting plate 33 of the encoder 30 is carrying the encoder 30.The snap ring 41 is located at the upper of the encoder 30 In the top of shell 32, and the draw-in groove 122 of the rotating shaft 12 for being arranged in the knob 10, the encoder 30 is suspended on described turning The underface of axle 12.First linkage section 43 is located at the side of the encoder 30.

Further, the elastic component 40 also includes 2 second linkage sections 44.Each second linkage section 44 is located at institute State between the first linkage section 43 and the snap ring 41, be used to connect first linkage section 43 and the snap ring 41.Described in two Second linkage section 44 is located in first plane 401.It is arranged in parallel between two second linkage sections 44.Two institutes State the second linkage section 44 further parallel with the supporting section 42.

Further, the elastic component 40 also includes two bending sections 45.Two bending sections 45 are flat positioned at described first In face 401.In the present embodiment, each bending section 45 is located at first linkage section 43 and second linkage section 44 Between, it is used to connect first linkage section 43 and second linkage section 44.It is to be appreciated that in other embodiments, Second linkage section 44 can also be omitted.That is, each bending section 45 is located at first linkage section 43 and the snap ring 41 Between, it is used to connect first linkage section 43 and the snap ring 41.

Further, the elastic component 40 also includes 2 the 3rd linkage sections 46.Two the 3rd linkage sections 46 are located at institute State in the first plane 401.It is arranged in parallel between two the 3rd linkage sections 46, and respectively positioned at the two of the snap ring 41 Side.Two the 3rd linkage sections 46 are further parallel with the supporting section 42.In the present embodiment, each described 3rd connects Connect section 46 to be located between first linkage section 43 and the bending section 45, be used to connect first linkage section 43 and the folding Curved segment.3rd linkage section 46 is mutually perpendicular to first linkage section 43.It is to be appreciated that in other embodiments, Second linkage section 44 can also be omitted.

Further, it is additionally provided with one on each supporting section 42 and supports section 421.It is described to support section 461 from described second Plane 402 is formed towards the projection of the first plane 401.It is described to support the substantially semicircular in shape of section 421.The encoder 30 is housed When in the elastic component 40, the section 421 that supports supports the supporting plate 33, to prevent the supporting section 42 from scratching the coding Device 30.

Fig. 4 and Fig. 5 is referred to, when the volume adjustment mechanism 100 of the present utility model is assembled：

The sleeve 20 is fixed in the fixing hole 211 of the shell 210, during operation, makes the extension of the sleeve 20 Portion 23 and correcting portion 22 pass through the fixing hole 211 from the outside of the shell 210 successively, and the correcting portion 22 is fixed on into institute State in fixing hole 211；

The knob 10 is positioned in the location hole 24 of the sleeve 20.Specifically, the drive link of the knob 10 is made 13 and rotating shaft 12 successively from the side of stop section 21 of the sleeve 20 pass through the location hole 24, until the rotation of the knob 10 First 11 support the shell 210, and now the stop section 21 of the sleeve 20 is contained in the cavity 114 of the knob 10 completely；

By the supporting section 42 of the elastic component 40 through the perforation 331 on the supporting plate 33 of the encoder 30, by the volume Code device 30 is contained in the framework of the elastic component 40, and now the supporting section 42 is located at the supporting plate 33 back to the main body 31 Side, the section 421 that supports supports the supporting plate 33, and the snap ring 41 is located at the top of the upper casing 32；

The snap ring 41 of the elastic component 40 is snapped in the draw-in groove 122 in the rotating shaft 12 of the knob 10, while making described The drive link 13 of knob 10 is inserted and is contained in the jack 321 and shaft hole 311 of the encoder 30, now the encoder 30 are contained between two extensions 23 of the sleeve 20 together with the elastic component 40, and by described two extensions The limitation of portion 23 is rotated.

During 100 operation of volume adjustment mechanism of the present utility model：

The swivel head 11 of knob 10 described in user's turn, because of braking parts 131 and the encoder of the drive link 13 30 rotation stop of shaft hole 311 is connected, and the main body 31 of the encoder 30 is limited by two extensions 23 of the sleeve 20 Position, the shaft core of the encoder 30 is rotated under the drive of the drive link 13, relative to 31 turns of the main body of the encoder 30 It is dynamic, rotation position or rotation amount are converted into analog or digital signal and are transmitted to the surface-mounted integrated circuit of the electronic installation 200 220, reach the purpose of regulation volume.

Compared to prior art, elastic component of the present utility model 40 is using the snap ring 41 in three Different Planes, branch 42 and first linkage section of support section 43 constitutes space framework, the encoder 30 is contained in the framework, by the snap ring 41 and the cooperation of the draw-in groove 121 diametrically block the rotating shaft 12 of the knob 10, meanwhile, using first linkage section 43 Elastic force in the axial direction, eliminates the rotating shaft 12 with the snap ring 41 in the gap of axial direction, in the rotation process of the knob 10, Reduce the frictional force that the rotating shaft 12 is subject to so that the knob 10 rotates more smooth.In addition, the elastic component 40 utilizes institute State supporting section 42 and carry the encoder 30, it is suspended vacantly in the underface of the knob 10, so that the encoder 30 need not be welded and fixed, and increase assembling flexibility and improve packaging efficiency.

It is understood that for the person of ordinary skill of the art, can be according to technology structure of the present utility model Think of makes other various corresponding changes and deformation, and all these changes and deformation should all belong to the utility model claim Protection domain.

Claims (12)

1. a kind of elastic component, it is characterised in that：The elastic component includes a snap ring, two supporting sections and two the first linkage sections, The snap ring passes through two first linkage sections and the snap ring respectively in the annulus with an opening, two supporting sections Opening two ends connection, the snap ring is located in the first plane, and two supporting sections are located in the second plane, described in two First linkage section is located in the 3rd plane, and first plane and second plane are parallel to each other, and the 3rd plane is vertical In first plane and the second plane, the snap ring, two supporting sections and two the first linkage sections collectively form a three-dimensional frame Frame.

2. elastic component as claimed in claim 1, it is characterised in that：Two supporting sections are arranged in parallel, and described first Linkage section is collectively formed perpendicular to the snap ring and the supporting section, the snap ring, two supporting sections and two the first linkage sections The framework of one cuboid.

3. elastic component as claimed in claim 1, it is characterised in that：The elastic component also includes two the second linkage sections, each Second linkage section is located between first linkage section and the snap ring, is used to connect first linkage section and the card Ring.

4. elastic component as claimed in claim 3, it is characterised in that：Two second linkage sections are located at first plane Interior, arranged in parallel between two second linkage sections, two second linkage sections are parallel with the supporting section.

5. elastic component as claimed in claim 1, it is characterised in that：The elastic component also includes two bending sections, each described Bending section is located between first linkage section and the snap ring, is used to connect first linkage section and the snap ring.

6. elastic component as claimed in claim 5, it is characterised in that：Two bending sections are located in first plane, and Positioned at the both sides of the snap ring.

7. elastic component as claimed in claim 5, it is characterised in that：The elastic component also includes two the 3rd linkage sections, each 3rd linkage section is located between first linkage section and the bending section, is used to connect first linkage section and described Bending section.

8. elastic component as claimed in claim 7, it is characterised in that：Two the 3rd linkage sections are located at first plane It is interior, it is arranged in parallel between two the 3rd linkage sections, and respectively positioned at the both sides of the snap ring.

9. elastic component as claimed in claim 8, it is characterised in that：3rd linkage section mutually hangs down with first linkage section Directly, the 3rd linkage section is parallel with the supporting section.

10. elastic component as claimed in claim 1, it is characterised in that：One is additionally provided with each supporting section support section, it is described Section is supported to be formed towards first planar projection from second plane.

A kind of 11. volume adjustment mechanisms, are used to adjust the volume or audio of electronic installation, and the volume adjustment mechanism includes knob And encoder, it is characterised in that：The volume adjustment mechanism also includes the bullet as described in any one in claim 1-10 Property part, the encoder is contained in the elastic component, and the encoder is connected with one end rotation stop of the knob, the knob Rotate to change the output signal of the encoder.

A kind of 12. electronic installations, including shell and the surface-mounted integrated circuit that is contained in the shell, it is characterised in that：It is described Electronic installation also includes volume adjustment mechanism as described in claim 11, and the shell is provided with fixing hole, the knob It is rotatably positioned in the fixing hole, the encoder is electrically connected with the surface-mounted integrated circuit.